/*
 * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.sun.swingset3.utilities;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.LayoutManager;
import java.awt.geom.RoundRectangle2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
import org.jdesktop.swingx.JXPanel;

/**
 * 
 * @author Administrator
 */
public class RoundedPanel extends JXPanel {
	private final int cornerRadius;
	private boolean contentAreaFilled;

	private transient RoundRectangle2D.Float roundBounds;

	public RoundedPanel() {
		this(10);
	}

	public RoundedPanel(LayoutManager layout) {
		this(layout, 10);
	}

	public RoundedPanel(int cornerRadius) {
		this(new FlowLayout(), cornerRadius);
	}

	public RoundedPanel(LayoutManager layout, int cornerRadius) {
		super(layout);
		this.cornerRadius = cornerRadius;
		this.roundBounds = new RoundRectangle2D.Float(0, 0, 0, 0, cornerRadius,
				cornerRadius);
		this.contentAreaFilled = true;
		setOpaque(false);
	}

	public void setContentAreaFilled(boolean contentFilled) {
		this.contentAreaFilled = contentFilled;
	}

	public boolean isContentAreaFilled() {
		return contentAreaFilled;
	}

	@Override
	protected void paintComponent(Graphics g) {
		if (isContentAreaFilled()) {
			Graphics2D g2 = (Graphics2D) g;
			Dimension size = getSize();
			roundBounds.width = size.width;
			roundBounds.height = size.height;
			g2.setColor(getBackground());
			g2.fill(roundBounds);
		}
		super.paintComponent(g);
	}

	public static void main(String args[]) {
		JFrame frame = new JFrame();
		RoundedPanel p = new RoundedPanel(new BorderLayout(), 16);
		JPanel p2 = new JPanel();
		p2.setBackground(Color.blue);
		p.add(p2);
		frame.add(p);
		frame.setSize(200, 200);
		frame.setVisible(true);
	}
}
